steadfastness vs wavering

steadfastness

noun
  • Loyalty in the face of trouble and difficulty. 

  • Steadfast resolution. 

wavering

adj
  • Being in doubt; indecisive. 

  • Fluctuating, uncertain, undetermined, unsteady. 

How often have the words steadfastness and wavering occurred in a corpus of books? (source: Google Ngram Viewer )